As far as vacation souvenirs go, bed bugs suck — literally. Infestations of these blood-sucking insects are on the rise, and they can easily hitch a ride home in your luggage. Here’s a crash course in bed bug biology and some tips.

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Your body is made up cells that reproduce almost endlessly on their own, so why don’t you live forever? Well, the answer to that question is still not fully understood and even what we do know is incredibly complicated.

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While everyone agrees the climate is changing, some suggest recent changes are a result of natural weather cycles. The majority of scientific experts believe the changes aren't occuring at a natural rate and it's our fault. So what's the deal?

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For most of us, checking the time is as simple as looking at a watch or a clock—but have you ever wondered how these devices keep time?

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I've heard a green laser beam is visible, but a red one is not. Why is this? 

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Thanks to a number of sensationalized movies and documentaries, you might be wondering whether there’s any truth to the claims that the world will come to an end on December 21, 2012. The reality is that all these stories are just plain wrong!

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You’ve probably heard the saying “leaves of three; let them be” – a warning to steer clear of the three-leafed plant poison ivy.

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Have you ever heard the saying: “You are what you eat”? This saying is especially true for Monarch butterflies.

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Our skin helps to keep countless bacteria, fungi and other foreign material from getting to our vital insides. So when we get wounded, it’s very important that our skin repairs itself. What happens when a wound heals?

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